/* =====================================================
   炬楷科技 JUKAI 官网样式
   主色: 枣红 #a50801  辅助: 香槟金 #deb867 / 白 / 绿
   ===================================================== */
:root {
  --red: #a50801;
  --red-dark: #7d0601;
  --red-deep: #5c0400;
  --gold: #deb867;
  --gold-light: #f0dcae;
  --green: #1f9d55;
  --white: #ffffff;
  --bg-warm: #faf6ef;
  --bg-gray: #f5f5f5;
  --text: #2b2b2b;
  --text-gray: #666;
  --shadow: 0 10px 30px rgba(165, 8, 1, 0.10);
  --radius: 12px;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------------- 通用按钮 ---------------- */
.btn {
  display: inline-block; padding: 12px 34px; border-radius: 40px;
  font-size: 15px; letter-spacing: 2px; cursor: pointer; border: none;
  transition: all .35s ease;
}
.btn-gold { background: var(--gold); color: var(--red-deep); font-weight: bold; }
.btn-gold:hover { background: var(--white); color: var(--red); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,.25); }
.btn-red { background: var(--red); color: var(--white); font-weight: bold; }
.btn-red:hover { background: var(--red-dark); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(165,8,1,.35); }
.btn-block { width: 100%; }

/* ---------------- 滚动渐入动画 ---------------- */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------------- 顶部导航 ---------------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(165,8,1,.08);
  transition: box-shadow .3s, height .3s;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; }
.logo img { height: 58px; width: auto; max-width: 300px; object-fit: contain; transition: transform .4s; }
.logo:hover img { transform: scale(1.04); }

.nav-list { display: flex; gap: 4px; }
.nav-link {
  display: block; padding: 10px 16px; font-size: 16px; color: var(--text);
  position: relative; transition: color .3s;
}
.nav-link::after {
  content: ""; position: absolute; left: 50%; bottom: 2px;
  width: 0; height: 3px; border-radius: 2px; background: linear-gradient(90deg, var(--red), var(--gold));
  transform: translateX(-50%); transition: width .35s ease;
}
.nav-link:hover, .nav-link.active { color: var(--red); }
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

.header-right { display: flex; align-items: center; gap: 14px; }
.lang-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 30px; cursor: pointer;
  border: 1.5px solid var(--gold); background: var(--white);
  color: var(--red); font-size: 14px; font-weight: bold;
  transition: all .3s;
}
.lang-btn:hover { background: var(--gold); color: var(--red-deep); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.menu-toggle span { width: 26px; height: 3px; background: var(--red); border-radius: 2px; transition: all .3s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------------- Banner 轮播 ---------------- */
.banner { position: relative; height: calc(100vh - var(--header-h)); min-height: 520px; max-height: 860px; margin-top: var(--header-h); overflow: hidden; background: var(--red-deep); }
.banner-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; visibility: hidden; transition: opacity 1.1s ease, visibility 1.1s;
  display: flex; align-items: center;
}
.banner-slide.active { opacity: 1; visibility: visible; }
.banner-slide::before { /* 缓慢放大动效 */
  content: ""; position: absolute; inset: 0;
  background: inherit; background-size: cover; background-position: center;
  animation: kenburns 9s ease-out forwards;
}
@keyframes kenburns { from { transform: scale(1.12); } to { transform: scale(1); } }
.banner-mask { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(92,4,0,.82) 0%, rgba(165,8,1,.45) 45%, rgba(92,4,0,.15) 100%); }
.banner-content { position: relative; z-index: 2; }
.banner-sub {
  color: var(--gold); letter-spacing: 6px; font-size: 16px; margin-bottom: 14px;
  opacity: 0; transform: translateY(24px);
}
.banner-title {
  color: #d8b765; font-size: clamp(28px, 4.6vw, 52px); line-height: 1.35;
  font-weight: bold; text-shadow: 0 4px 18px rgba(0,0,0,.4); margin-bottom: 34px;
  opacity: 0; transform: translateY(30px);
}
.banner-slide.active .banner-sub { animation: riseUp .9s .35s ease forwards; }
.banner-slide.active .banner-title { animation: riseUp .9s .55s ease forwards; }
.banner-slide.active .banner-content .btn { animation: riseUp .9s .75s ease forwards; opacity: 0; }
@keyframes riseUp { to { opacity: 1; transform: translateY(0); } }

.banner-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 52px; height: 52px; border-radius: 50%; border: 2px solid rgba(222,184,103,.7);
  background: rgba(92,4,0,.35); color: var(--gold); font-size: 20px; cursor: pointer;
  transition: all .3s; backdrop-filter: blur(4px);
}
.banner-arrow:hover { background: var(--gold); color: var(--red-deep); border-color: var(--gold); }
.banner-arrow.prev { left: 28px; }
.banner-arrow.next { right: 28px; }
.banner-dots { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 12px; z-index: 5; }
.banner-dots button {
  width: 34px; height: 5px; border: none; border-radius: 3px; cursor: pointer;
  background: rgba(255,255,255,.45); transition: all .4s;
}
.banner-dots button.active { background: var(--gold); width: 52px; }

/* ---------------- 数据速览 ---------------- */
.stats { background: linear-gradient(120deg, var(--red-deep), var(--red)); position: relative; overflow: hidden; }
.stats::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  border: 30px solid rgba(222,184,103,.12); border-radius: 50%;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 44px 0; gap: 20px; }
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 1px; height: 44px; background: rgba(255,255,255,.25);
}
.stat-num { font-size: 44px; font-weight: bold; color: var(--gold); font-family: Georgia, serif; }
.stat-num i { font-style: normal; font-size: 20px; margin-left: 4px; }
.stat-label { color: rgba(255,255,255,.9); font-size: 15px; letter-spacing: 2px; }

/* ---------------- 区块通用 ---------------- */
.section { padding: 90px 0; }
.section--warm { background: var(--bg-warm); }
.section-head { text-align: center; margin-bottom: 56px; }
.sec-tag { display: inline-block; font-size: 13px; letter-spacing: 5px; color: var(--gold); font-weight: bold; margin-bottom: 8px; }
.sec-title { font-size: clamp(26px, 3.4vw, 38px); color: var(--text); position: relative; }
.sec-line { width: 70px; height: 4px; margin: 18px auto 0; border-radius: 2px; background: linear-gradient(90deg, var(--red), var(--gold)); }
.sec-line--gold { background: linear-gradient(90deg, var(--gold), var(--white)); }
.sec-desc { max-width: 760px; margin: 22px auto 0; color: var(--text-gray); font-size: 16px; }
.sec-desc--light { color: rgba(255,255,255,.85); }
.section-head--light .sec-title { color: var(--white); }

/* ---------------- 产品中心 ---------------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid #eee; transition: transform .45s ease, box-shadow .45s ease;
}
.product-card:hover { transform: translateY(-10px); box-shadow: var(--shadow); }
.product-img { overflow: hidden; aspect-ratio: 4/3; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-info { padding: 18px 20px 22px; }
.product-info h3 { font-size: 17px; color: var(--text); margin-bottom: 8px; transition: color .3s; }
.product-card:hover .product-info h3 { color: var(--red); }
.product-info p { font-size: 13.5px; color: var(--text-gray); min-height: 44px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-more { display: inline-block; margin-top: 10px; font-size: 13.5px; color: var(--red); font-weight: bold; }
.product-more:hover { color: var(--gold); }
.product-card--more {
  background: linear-gradient(140deg, var(--red), var(--red-dark));
  display: flex; align-items: center; border: none;
}
.product-card--more h3 { color: var(--white); }
.product-card--more p { color: rgba(255,255,255,.85); }
.product-card--more .btn { margin-top: 14px; background: var(--gold); color: var(--red-deep); padding: 9px 24px; font-size: 14px; }
.product-card--more .btn:hover { background: var(--white); }

/* ---------------- 为什么选择我们 ---------------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card {
  background: var(--white); border-radius: var(--radius); padding: 38px 26px; text-align: center;
  border-top: 4px solid transparent; transition: all .45s ease;
  box-shadow: 0 4px 16px rgba(165,8,1,.06);
}
.why-card:hover { border-top-color: var(--red); transform: translateY(-8px); box-shadow: var(--shadow); }
.why-icon {
  width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; color: var(--white); background: linear-gradient(135deg, var(--red), #d3380f);
  transition: transform .5s ease, background .4s;
}
.why-card:hover .why-icon { transform: rotateY(360deg); background: linear-gradient(135deg, var(--gold), #c99b3f); }
.why-card h3 { font-size: 19px; margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--text-gray); }

/* ---------------- 解决方案 ---------------- */
.solutions {
  background:
    linear-gradient(115deg, rgba(92,4,0,.93) 0%, rgba(125,6,1,.85) 55%, rgba(165,8,1,.78) 100%),
    url("../images/solution-bg.jpg") center/cover;
  position: relative; overflow: hidden;
}
.solutions::before {
  content: ""; position: absolute; left: -80px; bottom: -80px; width: 300px; height: 300px;
  border: 2px dashed rgba(222,184,103,.2); border-radius: 50%;
}
.sol-carousel { position: relative; z-index: 2; }
/* 裁剪容器：裁剪边界与其它版块内容对齐，多余页内容完全隐藏，切换时才滑入 */
.sol-viewport { overflow: hidden; padding: 34px 0; margin: -34px 0; }
.sol-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.sol-page { flex: 0 0 100%; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.sol-card--wide { grid-column: span 2; height: 300px; }
.sol-card {
  position: relative; height: 340px; border-radius: var(--radius); overflow: hidden;
  background-size: cover; background-position: center; display: flex; align-items: flex-end;
  transition: transform .45s ease, box-shadow .45s ease;
}
.sol-card:hover { transform: translateY(-10px) scale(1.02); box-shadow: 0 16px 36px rgba(0,0,0,.35); }
.sol-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(92,4,0,.1) 30%, rgba(92,4,0,.88) 100%); transition: opacity .4s; }
.sol-inner { position: relative; z-index: 2; padding: 26px 22px; color: var(--white); }
.sol-num { font-size: 34px; font-weight: bold; color: var(--gold); font-family: Georgia, serif; opacity: .9; }
.sol-card h3 { font-size: 19px; margin: 6px 0 8px; }
.sol-card p { font-size: 13.5px; color: rgba(255,255,255,.85); max-height: 0; opacity: 0; overflow: hidden; transition: all .5s ease; }
.sol-card:hover p { max-height: 100px; opacity: 1; }
.sol-ctrl { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 62px; }
.sol-arrow {
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer; font-size: 15px;
  border: 1.5px solid rgba(222,184,103,.7); background: transparent; color: var(--gold);
  transition: all .3s;
}
.sol-arrow:hover { background: var(--gold); color: var(--red-deep); }
.ctrl-dots { display: flex; align-items: center; gap: 10px; }
.ctrl-dots button {
  width: 10px; height: 10px; border-radius: 5px; border: none; padding: 0; cursor: pointer;
  background: rgba(222,184,103,.4); transition: all .35s;
}
.ctrl-dots button.active { background: var(--gold); width: 28px; }
.ctrl-dots--red button { background: rgba(165,8,1,.22); }
.ctrl-dots--red button.active { background: var(--red); }

/* ---------------- 技术讲坛 ---------------- */
.forum { background: var(--white); }
.forum-viewport { overflow: hidden; padding: 34px 0; margin: -34px 0; }
.forum-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.forum-page { flex: 0 0 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.forum-ctrl { display: flex; justify-content: center; margin-top: 62px; }
.forum-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid #f0e7d8; box-shadow: 0 4px 16px rgba(165,8,1,.06);
  transition: transform .45s, box-shadow .45s;
}
.forum-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.forum-img { display: block; overflow: hidden; aspect-ratio: 16/9; background: var(--bg-gray); }
.forum-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.forum-card:hover .forum-img img { transform: scale(1.08); }
.forum-body { padding: 22px 24px 26px; }
.forum-date { font-size: 12.5px; color: var(--gold); letter-spacing: 2px; font-weight: bold; }
.forum-body h3 { font-size: 17.5px; margin: 8px 0; line-height: 1.5; transition: color .3s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.forum-card:hover h3 { color: var(--red); }
.forum-body p { font-size: 14px; color: var(--text-gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.forum-more { display: inline-block; margin-top: 12px; font-size: 13.5px; color: var(--red); font-weight: bold; }
.forum-more:hover { color: var(--gold); }

/* ---------------- 公司介绍 ---------------- */
.about-wrap { display: grid; grid-template-columns: 6fr 5fr; gap: 52px; align-items: stretch; }
.about-img { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; }
.about-img img { transition: transform .8s ease; width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.about-img:hover img { transform: scale(1.05); }
.about-badge {
  position: absolute; left: 20px; bottom: 20px; background: rgba(165,8,1,.9);
  padding: 14px 22px; border-radius: 10px; display: flex; gap: 14px; align-items: center;
  border: 1px solid rgba(222,184,103,.5);
}
.about-badge strong { color: var(--white); font-size: 17px; letter-spacing: 3px; }
.about-badge strong + strong::before { content: "·"; color: var(--gold); margin-right: 14px; }
.about-text .sec-tag, .about-text .sec-title, .about-text .sec-line { margin-left: 0; }
.about-text .sec-line { margin-left: 0; }
.about-text > p { color: var(--text-gray); font-size: 15.5px; margin-top: 18px; text-align: justify; }
.about-culture { margin-top: 28px; display: grid; gap: 14px; }
.culture-item {
  background: var(--white); border-left: 4px solid var(--red); border-radius: 0 10px 10px 0;
  padding: 14px 18px; transition: transform .35s, box-shadow .35s, border-color .35s;
}
.culture-item:hover { transform: translateX(8px); border-left-color: var(--gold); box-shadow: 0 6px 16px rgba(165,8,1,.12); }
.culture-item h4 { color: var(--red); font-size: 16px; }
.culture-item p { font-size: 14px; color: var(--text-gray); margin-top: 4px; }

/* ---------------- 服务流程 ---------------- */
.flow { background: var(--white); }
.flow-steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.flow-step {
  text-align: center; position: relative; padding: 30px 8px 24px;
  background: var(--bg-warm); border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(165,8,1,.07); transition: all .4s ease;
}
.flow-step::after {
  content: "➤"; position: absolute; right: -17px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 14px; z-index: 2;
}
.flow-step:last-child::after { display: none; }
.flow-step:hover { transform: translateY(-8px); box-shadow: var(--shadow); background: linear-gradient(160deg, var(--red), var(--red-dark)); }
.flow-step:hover h4 { color: var(--white); }
.flow-num {
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #c99b3f); color: var(--red-deep);
  font-size: 20px; font-weight: bold; font-family: Georgia, serif;
}
.flow-step h4 { font-size: 16px; transition: color .3s; }

/* ---------------- 专家介绍 ---------------- */
.experts { position: relative; background: var(--bg-warm); overflow: hidden; }
.experts::before {
  content: ""; position: absolute; inset: 0;
  background: url("../images/expert-bg.jpg") center/cover no-repeat fixed;
  opacity: .07;
}
.experts .container { position: relative; z-index: 2; }
.expert-grid {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(26px, 4vw, 48px);
  align-items: stretch;
}
.expert-card {
  background: var(--white); border-radius: 16px; padding: 44px 36px;
  text-align: center; box-shadow: 0 16px 40px rgba(165,8,1,.10);
  border-top: 4px solid var(--red); display: flex; flex-direction: column; align-items: center;
  transition: transform .45s ease, box-shadow .45s ease;
}
.expert-card:hover { transform: translateY(-8px); box-shadow: 0 24px 52px rgba(165,8,1,.16); }
.expert-avatar {
  width: 148px; height: 148px; border-radius: 50%; overflow: hidden;
  border: 4px solid var(--gold-light); box-shadow: 0 0 0 2px var(--gold), 0 10px 24px rgba(165,8,1,.15);
  margin-bottom: 22px; flex-shrink: 0;
}
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform .6s ease; }
.expert-card:hover .expert-avatar img { transform: scale(1.06); }
.expert-name { font-size: 26px; color: var(--text); letter-spacing: 4px; }
.expert-role { margin-top: 10px; font-size: 16px; font-weight: bold; color: var(--red); letter-spacing: 2px; }
.expert-degree { margin-top: 6px; font-size: 13.5px; color: var(--gold); letter-spacing: 1px; }
.expert-intro { margin-top: 20px; padding-top: 20px; border-top: 1px dashed rgba(165,8,1,.18); font-size: 14px; color: var(--text-gray); text-align: justify; }
.expert-achv {
  background: linear-gradient(150deg, var(--red) 0%, var(--red-dark) 60%, var(--red-deep) 100%);
  border-radius: 16px; padding: 40px 38px; color: var(--white);
  box-shadow: 0 16px 40px rgba(92,4,0,.28); position: relative; overflow: hidden;
  transition: transform .45s ease;
}
.expert-achv:hover { transform: translateY(-8px); }
.expert-achv::after {
  content: ""; position: absolute; right: -50px; bottom: -50px; width: 190px; height: 190px;
  border: 24px solid rgba(222,184,103,.12); border-radius: 50%;
}
.expert-achv-title {
  font-size: 20px; color: var(--white); letter-spacing: 2px; padding-bottom: 14px; margin-bottom: 22px;
  border-bottom: 2px solid rgba(222,184,103,.55); position: relative; z-index: 2;
}
.expert-list { display: grid; gap: 16px; position: relative; z-index: 2; }
.expert-list li { display: flex; align-items: baseline; gap: 16px; }
.expert-num {
  font-family: Georgia, serif; font-size: 15px; font-weight: bold; color: var(--gold);
  min-width: 26px; flex-shrink: 0;
}
.expert-list p { font-size: 15px; color: rgba(255,255,255,.94); letter-spacing: .5px; }

/* ---------------- 联系我们 ---------------- */
.contact { background: linear-gradient(120deg, var(--red-deep), var(--red)); }
.contact-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact .sec-title { color: var(--white); }
.contact-info > p { color: rgba(255,255,255,.85); margin-top: 20px; }
.contact-list { margin-top: 26px; display: grid; gap: 14px; }
.contact-list li { color: rgba(255,255,255,.88); font-size: 15px; background: rgba(255,255,255,.07); padding: 12px 18px; border-radius: 10px; border: 1px solid rgba(222,184,103,.25); transition: background .3s, transform .3s; }
.contact-list li:hover { background: rgba(222,184,103,.15); transform: translateX(6px); }
.contact-list b { color: var(--gold); font-weight: bold; }
.contact-form { background: var(--white); border-radius: var(--radius); padding: 34px 32px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 13px 16px; margin-bottom: 14px; border: 1.5px solid #e5ddd0;
  border-radius: 8px; font-size: 14.5px; font-family: inherit; outline: none; transition: border-color .3s, box-shadow .3s;
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(165,8,1,.1); }
.form-tip { text-align: center; color: var(--green); font-size: 14px; margin-top: 12px; min-height: 20px; font-weight: bold; }

/* ---------------- 页脚 ---------------- */
.footer { background: #2e0200; color: rgba(255,255,255,.75); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand { display: flex; flex-direction: column; align-items: center; text-align: center; }
.footer-logo { width: 104px; }
.footer-slogan { margin-top: 14px; color: var(--gold); letter-spacing: 4px; font-size: 15px; line-height: 2; }
.footer-col h4 { color: var(--white); font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 3px; background: var(--gold); border-radius: 2px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; transition: color .3s, padding-left .3s; }
.footer-col a:hover { color: var(--gold); padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; text-align: center; font-size: 13.5px; }

/* ---------------- 回到顶部 ---------------- */
.back-top {
  position: fixed; right: 26px; bottom: 30px; width: 48px; height: 48px;
  border-radius: 50%; border: none; cursor: pointer; font-size: 20px;
  background: var(--red); color: var(--white); box-shadow: 0 6px 18px rgba(165,8,1,.4);
  opacity: 0; visibility: hidden; transform: translateY(16px); transition: all .4s; z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--gold); color: var(--red-deep); }

/* =====================================================
   响应式适配
   ===================================================== */
@media (max-width: 1080px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-page { grid-template-columns: repeat(2, 1fr); }
  .sol-card--wide { grid-column: span 2; }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .flow-step:nth-child(3n)::after { display: none; }
  .expert-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav {
    position: fixed; top: var(--header-h); right: -100%; width: min(320px, 80vw);
    height: calc(100vh - var(--header-h)); background: var(--white);
    box-shadow: -8px 0 30px rgba(0,0,0,.12); transition: right .4s ease; padding: 24px 0;
  }
  .nav.open { right: 0; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-link { padding: 15px 30px; border-bottom: 1px solid #f3ece0; font-size: 16px; }
  .nav-link::after { display: none; }
  .menu-toggle { display: flex; }
  .logo img { height: 44px; max-width: 230px; }
  .banner { min-height: 440px; }
  .banner-arrow { width: 40px; height: 40px; font-size: 15px; }
  .banner-arrow.prev { left: 12px; }
  .banner-arrow.next { right: 12px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 0; padding: 34px 0; }
  .stat-item:nth-child(3)::before { display: none; }
  .section { padding: 64px 0; }
  .experts::before { background-attachment: scroll; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-wrap, .contact-wrap { grid-template-columns: 1fr; gap: 34px; }
  .about-img img { min-height: 260px; }
  .forum-page { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .flow-step:nth-child(3n)::after { content: "➤"; }
  .flow-step:nth-child(2n)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .sol-page { grid-template-columns: 1fr; }
  .sol-card--wide { grid-column: auto; height: 280px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 34px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-badge { left: 12px; bottom: 12px; padding: 10px 14px; }
  .about-badge strong { font-size: 14px; }
}

/* =====================================================
   内页样式（产品 / 方案 / 讲坛 / 联系）
   ===================================================== */

/* ---------------- 内页横幅 + 面包屑 ---------------- */
.page-hero {
  position: relative; margin-top: var(--header-h); padding: 74px 0 56px;
  background-color: var(--red-deep); background-size: cover; background-position: center;
  display: flex; align-items: flex-end; min-height: 320px; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(92,4,0,.9) 0%, rgba(125,6,1,.72) 52%, rgba(92,4,0,.45) 100%);
}
.page-hero::after {
  content: ""; position: absolute; right: -70px; bottom: -90px; width: 280px; height: 280px;
  border: 30px solid rgba(222,184,103,.12); border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .page-kicker { color: var(--gold); letter-spacing: 5px; font-size: 13px; font-weight: bold; }
.page-hero h1 { color: var(--white); font-size: clamp(26px, 3.6vw, 42px); margin-top: 10px; letter-spacing: 2px; }
.page-hero .page-desc { color: rgba(255,255,255,.86); max-width: 780px; margin-top: 16px; font-size: 15.5px; }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13.5px; color: rgba(255,255,255,.7); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.85); transition: color .3s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: rgba(222,184,103,.75); }
.breadcrumb .current { color: var(--gold); }

/* ---------------- 内页版块标题（左对齐） ---------------- */
.block-head { margin-bottom: 34px; }
.block-head .block-tag { display: block; font-size: 12.5px; letter-spacing: 4px; color: var(--gold); font-weight: bold; }
.block-head h2 { font-size: clamp(21px, 2.4vw, 27px); margin-top: 6px; position: relative; padding-left: 16px; }
.block-head h2::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 5px; height: 24px; border-radius: 3px; background: linear-gradient(180deg, var(--red), var(--gold)); }
.block-head p { color: var(--text-gray); font-size: 15px; margin-top: 12px; }
.block-head--center { text-align: center; }
.block-head--center h2 { padding-left: 0; }
.block-head--center h2::before { display: none; }

/* ---------------- 分类筛选 ---------------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  padding: 9px 24px; border-radius: 30px; cursor: pointer; font-size: 14.5px; font-family: inherit;
  border: 1.5px solid rgba(165,8,1,.18); background: var(--white); color: var(--text); transition: all .3s;
}
.filter-btn:hover { border-color: var(--gold); color: var(--red); }
.filter-btn.active { background: linear-gradient(120deg, var(--red), var(--red-dark)); color: var(--white); border-color: transparent; box-shadow: 0 6px 16px rgba(165,8,1,.25); }

/* ---------------- 通用卡片网格 ---------------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* 应用行业卡 */
.ind-card { background: var(--white); border-radius: var(--radius); padding: 32px 26px; text-align: center; box-shadow: 0 4px 16px rgba(165,8,1,.06); border-top: 4px solid transparent; transition: all .45s ease; }
.ind-card:hover { border-top-color: var(--red); transform: translateY(-8px); box-shadow: var(--shadow); }
.ind-icon { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--white); background: linear-gradient(135deg, var(--red), #d3380f); transition: transform .5s ease, background .4s; }
.ind-card:hover .ind-icon { transform: rotateY(360deg); background: linear-gradient(135deg, var(--gold), #c99b3f); }
.ind-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.ind-card p { font-size: 14px; color: var(--text-gray); }

/* 优势 / 特点卡 */
.feat-card { background: var(--white); border-radius: var(--radius); padding: 28px 26px; border: 1px solid #f0e7d8; box-shadow: 0 4px 16px rgba(165,8,1,.06); transition: all .4s ease; }
.feat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: rgba(222,184,103,.7); }
.feat-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--red); background: var(--bg-warm); margin-bottom: 16px; }
.feat-card h3 { font-size: 17px; margin-bottom: 8px; }
.feat-card p { font-size: 14px; color: var(--text-gray); }

/* ---------------- 产品列表 ---------------- */
.product-card { position: relative; }
.product-card > a.card-link { position: absolute; inset: 0; z-index: 3; }

/* ---------------- 产品详情 ---------------- */
.pd-top { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start; }
.pd-gallery { background: var(--white); border: 1px solid #eee; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.pd-gallery img { width: 100%; display: block; }
.pd-info h1 { font-size: clamp(24px, 2.8vw, 32px); line-height: 1.4; }
.pd-slogan { font-size: 18px; line-height: 1.6; font-weight: bold; color: var(--text); border-left: 4px solid var(--red); padding-left: 16px; }
.pd-desc { margin-top: 14px; font-size: 15px; color: var(--text-gray); text-align: justify; }
.pd-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.pd-tags span { font-size: 12.5px; color: var(--red); background: var(--bg-warm); border: 1px solid rgba(222,184,103,.65); padding: 4px 13px; border-radius: 20px; }
.pd-highlights { margin-top: 22px; display: grid; gap: 10px; }
.pd-highlights li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--text-gray); }
.pd-highlights li::before { content: "✓"; color: var(--gold); font-weight: bold; }
.pd-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.pd-meta { margin-top: 22px; padding-top: 20px; border-top: 1px dashed #e8ddc8; font-size: 14px; color: var(--text-gray); }
.pd-meta b { color: var(--red); }

.benefit-list { display: grid; gap: 14px; margin-top: 8px; }
.benefit-list li { display: flex; gap: 12px; align-items: flex-start; background: var(--bg-warm); border-left: 4px solid var(--red); border-radius: 0 10px 10px 0; padding: 14px 18px; font-size: 14.5px; color: var(--text-gray); }
.benefit-list li b { color: var(--text); }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.spec-table { width: 100%; min-width: 520px; border-collapse: collapse; background: var(--white); font-size: 14.5px; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 16px rgba(165,8,1,.06); }
.spec-table th, .spec-table td { padding: 15px 20px; text-align: left; border-bottom: 1px solid #f2ebdd; vertical-align: top; }
.spec-table th { width: 32%; background: var(--bg-warm); color: var(--red); font-weight: bold; }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody tr:hover td { background: rgba(250,246,239,.7); }

/* 宽数据表（选型表 / 参数矩阵）：表头深色、首列为行标题 */
.spec-table--data { min-width: 1000px; font-size: 13.5px; }
.spec-table--data thead th {
  width: auto; white-space: nowrap; font-size: 13px; letter-spacing: .5px;
  background: linear-gradient(120deg, var(--red), var(--red-dark)); color: var(--white);
}
.spec-table--data tbody th { width: auto; white-space: nowrap; background: var(--bg-warm); color: var(--red); }
.spec-table--data th, .spec-table--data td { padding: 12px 16px; }
.spec-table--data tbody tr:nth-child(even) td { background: rgba(250,246,239,.55); }

/* ---------------- 文章列表 ---------------- */
.article-wrap { display: grid; grid-template-columns: 1fr 320px; gap: 46px; align-items: start; }
.article-item { display: grid; grid-template-columns: 300px 1fr; background: var(--white); border: 1px solid #f0e7d8; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 16px rgba(165,8,1,.06); transition: transform .45s ease, box-shadow .45s ease; margin-bottom: 26px; }
.article-item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.article-thumb { overflow: hidden; background: var(--bg-gray); }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; min-height: 190px; }
.article-item:hover .article-thumb img { transform: scale(1.06); }
.article-item-body { padding: 26px 30px 28px; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 13px; color: var(--text-gray); }
.article-cat { color: var(--red); background: var(--bg-warm); border: 1px solid rgba(222,184,103,.6); border-radius: 20px; padding: 2px 12px; font-size: 12.5px; }
.article-item h2 { font-size: 19px; margin: 12px 0 10px; line-height: 1.5; transition: color .3s; }
.article-item:hover h2 { color: var(--red); }
.article-item p { font-size: 14px; color: var(--text-gray); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 侧栏 */
.sidebar-card { background: var(--white); border: 1px solid #f0e7d8; border-radius: var(--radius); padding: 24px 22px; box-shadow: 0 4px 16px rgba(165,8,1,.06); margin-bottom: 22px; }
.sidebar-card:last-child { margin-bottom: 0; }
.sidebar-card h3 { font-size: 17px; color: var(--red); padding-bottom: 12px; margin-bottom: 14px; border-bottom: 2px solid var(--bg-warm); }
.sidebar-list li { border-bottom: 1px dashed #f0e7d8; }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; padding: 11px 0; transition: color .3s, padding-left .3s; }
.sidebar-list a:hover { color: var(--red); padding-left: 5px; }
.sidebar-list a b { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-list a span { color: var(--text-gray); font-size: 12.5px; flex-shrink: 0; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a { font-size: 13px; padding: 5px 14px; border-radius: 20px; background: var(--bg-warm); color: var(--text-gray); border: 1px solid #f0e7d8; transition: all .3s; }
.tag-cloud a:hover { background: var(--red); color: var(--white); border-color: var(--red); }
.sidebar-cta { background: linear-gradient(150deg, var(--red), var(--red-deep)); border: none; color: var(--white); text-align: center; }
.sidebar-cta h3 { color: var(--white); border-bottom-color: rgba(222,184,103,.4); }
.sidebar-cta p { font-size: 14px; color: rgba(255,255,255,.85); margin-bottom: 16px; }
.sidebar-cta .btn { background: var(--gold); color: var(--red-deep); padding: 10px 26px; font-size: 14px; }
.sidebar-cta .btn:hover { background: var(--white); }

.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px; padding: 0 14px; border-radius: 10px; display: inline-flex;
  align-items: center; justify-content: center; font-size: 14.5px; background: var(--white);
  border: 1px solid #f0e7d8; color: var(--text); transition: all .3s;
}
.pagination a:hover { border-color: var(--gold); color: var(--red); }
.pagination .current { background: linear-gradient(120deg, var(--red), var(--red-dark)); color: var(--white); border-color: transparent; font-weight: bold; }

/* ---------------- 文章详情 ---------------- */
.article-head { max-width: 900px; }
.article-head h1 { font-size: clamp(24px, 3vw, 34px); line-height: 1.45; margin: 14px 0 16px; }
.article-lead { font-size: 16px; color: var(--text-gray); background: var(--bg-warm); border-left: 4px solid var(--gold); border-radius: 0 10px 10px 0; padding: 16px 20px; }
.article-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 34px; box-shadow: var(--shadow); max-width: 900px; }
.article-cover img { width: 100%; height: auto; max-height: 340px; object-fit: cover; object-position: center; display: block; }
.article-content { max-width: 900px; font-size: 15.5px; }
.article-content h2 { font-size: 21px; margin: 34px 0 14px; padding-left: 14px; border-left: 4px solid var(--red); }
.article-content h3 { font-size: 17.5px; margin: 24px 0 10px; color: var(--red); }
.article-content p { margin-bottom: 15px; color: #3a3a3a; text-align: justify; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; color: #3a3a3a; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote { background: var(--bg-warm); border-left: 4px solid var(--gold); border-radius: 0 10px 10px 0; padding: 16px 20px; color: var(--text-gray); margin: 0 0 18px; font-size: 15px; }
.article-content strong { color: var(--red); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 34px; padding-top: 22px; border-top: 1px dashed #e8ddc8; }
.article-tags b { font-size: 14px; color: var(--text); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.pager a { background: var(--white); border: 1px solid #f0e7d8; border-radius: 10px; padding: 16px 20px; font-size: 14px; color: var(--text); transition: all .35s; }
.pager a:hover { border-color: var(--gold); box-shadow: 0 8px 20px rgba(165,8,1,.1); transform: translateY(-3px); }
.pager a .pg-label { display: block; font-size: 12.5px; color: var(--gold); font-weight: bold; margin-bottom: 6px; letter-spacing: 1px; }
.pager a .pg-name { display: block; }
.pager a.next { text-align: right; }

/* ---------------- 联系我们页 ---------------- */
.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 22px; }
.contact-cards--2 { grid-template-columns: repeat(2, 1fr); }
.contact-cards--2 .contact-card { text-align: left; }
.contact-cards--2 .contact-card .c-icon { margin-left: 0; }
.container--full { width: 100%; max-width: none; padding-left: 22px; padding-right: 22px; }
.contact-office { display: flex; align-items: center; gap: 28px; padding: 34px 38px; }
.contact-office .office-fig { flex: 0 0 128px; }
.contact-office .office-fig svg { width: 100%; height: auto; display: block; }
.contact-office .office-body { flex: 1; min-width: 0; }
.contact-office .office-body h3 { font-size: 20px; font-weight: bold; margin-bottom: 14px; letter-spacing: .5px; }
.contact-office .office-body h3 span { margin-left: 6px; }
.contact-office .office-body p { font-size: 14.5px; line-height: 2; color: var(--text-gray); }
.contact-card { background: var(--white); border-radius: var(--radius); padding: 30px 24px; text-align: center; box-shadow: 0 4px 16px rgba(165,8,1,.06); border-top: 4px solid transparent; transition: all .45s ease; }
.contact-card:hover { border-top-color: var(--red); transform: translateY(-8px); box-shadow: var(--shadow); }
.contact-card .c-icon { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--white); background: linear-gradient(135deg, var(--red), #d3380f); }
.contact-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--text-gray); word-break: break-all; }
.contact-main { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.map-box {
  border-radius: var(--radius); overflow: hidden; min-height: 300px; position: relative;
  background: linear-gradient(120deg, rgba(92,4,0,.86), rgba(165,8,1,.72)), url("../images/about-company.jpg") center/cover;
  display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); padding: 30px;
}
.map-box strong { display: block; font-size: 20px; margin-bottom: 10px; }
.map-box p { color: rgba(255,255,255,.88); font-size: 14.5px; }
.map-box .map-badge { position: absolute; left: 20px; top: 20px; background: rgba(222,184,103,.92); color: var(--red-deep); font-size: 12.5px; font-weight: bold; padding: 5px 14px; border-radius: 20px; letter-spacing: 1px; }
.route-list { display: grid; gap: 14px; }
.route-list li { background: var(--white); border: 1px solid #f0e7d8; border-radius: 10px; padding: 16px 20px; font-size: 14.5px; color: var(--text-gray); }
.route-list li b { color: var(--red); display: block; margin-bottom: 4px; }

.faq-item { background: var(--white); border: 1px solid #f0e7d8; border-radius: 10px; margin-bottom: 12px; padding: 0 22px; transition: box-shadow .3s, border-color .3s; }
.faq-item[open] { border-color: rgba(222,184,103,.8); box-shadow: 0 8px 22px rgba(165,8,1,.08); }
.faq-item summary { cursor: pointer; padding: 18px 0; font-size: 16px; font-weight: bold; list-style: none; position: relative; padding-right: 30px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--gold); font-size: 22px; font-weight: normal; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding-bottom: 18px; color: var(--text-gray); font-size: 14.5px; margin: 0; }

/* ---------------- 通用 CTA 横幅 ---------------- */
.cta-band { background: linear-gradient(120deg, var(--red-deep), var(--red)); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: -70px; top: -80px; width: 280px; height: 280px; border: 30px solid rgba(222,184,103,.12); border-radius: 50%; }
.cta-band::before { content: ""; position: absolute; left: -60px; bottom: -90px; width: 240px; height: 240px; border: 2px dashed rgba(222,184,103,.22); border-radius: 50%; }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; padding: 56px 0; }
.cta-inner h2 { color: var(--white); font-size: clamp(22px, 2.6vw, 30px); }
.cta-inner p { color: rgba(255,255,255,.84); margin-top: 10px; font-size: 15px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------------- 上一页/下一页（产品） ---------------- */
.switch-bar { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 44px; }
.switch-bar a { background: var(--white); border: 1px solid #f0e7d8; border-radius: 10px; padding: 16px 20px; font-size: 14.5px; transition: all .35s; }
.switch-bar a:hover { border-color: var(--gold); box-shadow: 0 8px 20px rgba(165,8,1,.1); transform: translateY(-3px); }
.switch-bar a .sw-label { display: block; font-size: 12.5px; color: var(--gold); font-weight: bold; letter-spacing: 1px; margin-bottom: 6px; }
.switch-bar a .sw-name { display: block; }
.switch-bar a.next { text-align: right; }

/* 列表页静态方案卡（文字常显） */
.sol-card--list { height: 300px; }
.sol-card--list p { max-height: 140px; opacity: 1; }
.sol-card--list h3 { font-size: 18.5px; }

/* 浅底表单卡 */
.contact-form--light { box-shadow: 0 10px 30px rgba(165,8,1,.10); border: 1px solid #f0e7d8; }
.contact-form--light h2 { font-size: 22px; color: var(--text); }
.contact-form--light > p { color: var(--text-gray); font-size: 14.5px; margin-top: 10px; }

/* 屏幕阅读器专用 */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ============================================================
   产品详情页（字段化结构：概述 / 适用范围 / 主要功能 / 技术特点 / 参数 / 服务）
   ============================================================ */
.pd-en {
  display: inline-block; font-size: 12.5px; letter-spacing: 2px; font-weight: bold;
  color: var(--gold); text-transform: uppercase; margin-bottom: 12px;
}
.pd-info .pd-slogan { font-size: 17px; }
.pd-info .pd-tags { margin-top: 16px; }
.pd-info .pd-highlights { margin-top: 20px; }

/* 产品概述：富文本排版 */
.pd-prose { max-width: 1000px; font-size: 15.5px; color: #3a3a3a; }
.pd-prose > *:first-child { margin-top: 0; }
.pd-prose p { margin-bottom: 14px; text-align: justify; }
.pd-prose h3 { font-size: 17.5px; color: var(--red); margin: 24px 0 10px; padding-left: 13px; border-left: 4px solid var(--gold); }
.pd-prose h4 { font-size: 16px; color: var(--text); margin: 20px 0 8px; }
.pd-prose ul, .pd-prose ol { margin: 0 0 16px 22px; }
.pd-prose ul { list-style: disc; }
.pd-prose ol { list-style: decimal; }
.pd-prose li { margin-bottom: 8px; }
.pd-prose strong, .pd-prose b { color: var(--red); }
.pd-prose img { max-width: 100%; height: auto; border-radius: 10px; }
.pd-prose blockquote { background: var(--bg-warm); border-left: 4px solid var(--gold); border-radius: 0 10px 10px 0; padding: 16px 20px; color: var(--text-gray); margin: 0 0 18px; }

/* 适用范围 */
.pd-app {
  background: var(--white); border-left: 4px solid var(--red); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 28px 32px; box-shadow: 0 4px 16px rgba(165,8,1,.06); font-size: 15px; color: #3a3a3a;
}
.pd-app p { text-align: justify; }
.pd-app p + p { margin-top: 12px; }

/* 编号列表（主要功能 / 技术特点） */
.num-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; counter-reset: numli; }
.num-list li {
  counter-increment: numli; position: relative; padding: 18px 24px 18px 68px;
  background: var(--white); border: 1px solid #f0e7d8; border-radius: var(--radius);
  font-size: 14.5px; line-height: 1.75; color: #3a3a3a;
  box-shadow: 0 4px 16px rgba(165,8,1,.05);
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.num-list li::before {
  content: counter(numli, decimal-leading-zero); position: absolute; left: 20px; top: 17px;
  width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: bold; color: var(--red);
  background: var(--bg-warm); border: 1px solid rgba(222,184,103,.55);
}
.num-list li:hover { transform: translateY(-5px); border-color: rgba(222,184,103,.8); box-shadow: var(--shadow); }
.num-list li b, .num-list li strong { color: var(--red); }

/* 技术参数表说明 */
.spec-cap { font-size: 14.5px; color: var(--text-gray); margin-bottom: 16px; }

/* 服务保障 */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.svc-card {
  background: var(--white); border-radius: var(--radius); padding: 28px 22px; text-align: center;
  border-top: 4px solid var(--gold); box-shadow: 0 4px 16px rgba(165,8,1,.06);
  transition: transform .45s ease, box-shadow .45s ease, border-color .45s ease;
}
.svc-card:hover { transform: translateY(-8px); border-top-color: var(--red); box-shadow: var(--shadow); }
.svc-ico {
  width: 54px; height: 54px; margin: 0 auto 14px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  color: var(--red); background: var(--bg-warm); transition: background .45s, color .45s;
}
.svc-card:hover .svc-ico { background: linear-gradient(135deg, var(--gold), #c99b3f); color: var(--red-deep); }
.svc-card h3 { font-size: 16px; margin-bottom: 8px; }
.svc-card p { font-size: 13.5px; color: var(--text-gray); }

/* ============================================================
   相关阅读（图片 + 标题 紧凑条目）
   ============================================================ */
.rel-read { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-read-item {
  position: relative; display: flex; align-items: flex-start; gap: 16px;
  background: var(--white); border: 1px solid #f0e7d8; border-radius: var(--radius); padding: 14px;
  box-shadow: 0 4px 16px rgba(165,8,1,.06);
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.rel-read-item:hover { transform: translateY(-6px); border-color: rgba(222,184,103,.75); box-shadow: var(--shadow); }
.rel-read-thumb { flex: 0 0 116px; width: 116px; height: 80px; border-radius: 9px; overflow: hidden; background: var(--bg-gray); }
.rel-read-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.rel-read-item:hover .rel-read-thumb img { transform: scale(1.08); }
.rel-read-body { min-width: 0; flex: 1; }
.rel-read-date { display: block; font-size: 12px; font-weight: bold; letter-spacing: 1px; color: var(--gold); }
.rel-read-body h3 {
  font-size: 15px; line-height: 1.55; margin-top: 4px; color: var(--text); transition: color .3s;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.rel-read-item:hover h3 { color: var(--red); }
.rel-read-item > a.card-link { position: absolute; inset: 0; z-index: 3; border-radius: var(--radius); }
.rel-read-empty { color: var(--text-gray); font-size: 14.5px; }

/* ---------------- 内页响应式 ---------------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .article-wrap { grid-template-columns: 1fr; gap: 34px; }
  .pd-top { grid-template-columns: 1fr; gap: 32px; }
  .contact-main { grid-template-columns: 1fr; gap: 32px; }
  .page-hero { min-height: 260px; padding: 56px 0 44px; }
  .num-list { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  /* 相关阅读保持一排三个，紧凑排布 */
  .rel-read { gap: 14px; }
  .rel-read-item { padding: 12px; gap: 12px; }
  .rel-read-thumb { flex: 0 0 92px; width: 92px; height: 66px; }
  .rel-read-body h3 { font-size: 13.5px; }
}
@media (max-width: 860px) {
  .page-hero { padding: 44px 0 36px; }
  .article-item { grid-template-columns: 1fr; }
  .article-thumb img { min-height: 180px; max-height: 230px; }
  .article-item-body { padding: 22px 22px 24px; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 44px 0; }
  .switch-bar { grid-template-columns: 1fr; }
  .switch-bar a.next { text-align: left; }
  .pd-app { padding: 22px 24px; }
}
@media (max-width: 560px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .contact-office { flex-direction: column; align-items: flex-start; gap: 16px; padding: 26px 24px; }
  .contact-office .office-fig { flex-basis: auto; width: 96px; }
  .pd-btns { flex-direction: column; }
  .pd-btns .btn { width: 100%; text-align: center; }
  .pager { grid-template-columns: 1fr; }
  .spec-table { min-width: 460px; font-size: 14px; }
  .spec-table th, .spec-table td { padding: 12px 14px; }
  .article-content h2 { font-size: 19px; }
  .filter-bar { gap: 9px; }
  .filter-btn { padding: 8px 16px; font-size: 13.5px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1 1 auto; text-align: center; }
  .svc-grid, .rel-read { grid-template-columns: 1fr; }
  .num-list li { padding: 16px 18px 16px 60px; }
  .num-list li::before { left: 16px; top: 15px; }
  .rel-read-thumb { flex: 0 0 96px; width: 96px; height: 68px; }
}
/* 宽数据表：中窄屏允许表头换行、压缩内边距，避免横向溢出导致表头被截断 */
@media (max-width: 1200px) {
  .spec-table--data { min-width: 720px; font-size: 13px; }
  .spec-table--data thead th { white-space: normal; }
  .spec-table--data th, .spec-table--data td { padding: 10px 12px; }
}

/* ============================================================ */
/* ============================================================
   炬楷科技 EyouCMS 模板适配补丁（追加在 skin/css/style.css 末尾）
   由 .workbuddy/build_css.py 合并：根目录 css/style.css + 本文件
   ============================================================ */

/* --- 分页（{eyou:pagelist} 输出 li>a 结构） --- */
.pagination.pager-cms { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding: 0; list-style: none; }
.pagination.pager-cms li { display: inline-block; list-style: none; }
.pagination.pager-cms li a,
.pagination.pager-cms li span {
  display: inline-block; min-width: 40px; padding: 8px 14px; text-align: center;
  border: 1px solid #e5e5e5; border-radius: 8px; color: var(--text, #2d2d2d);
  background: var(--white, #fff); font-size: 14px; transition: all .3s;
}
.pagination.pager-cms li a:hover { border-color: var(--gold, #deb867); color: var(--red, #a50801); }
.pagination.pager-cms li.active a {
  background: linear-gradient(120deg, var(--red, #a50801), var(--red-dark, #7d0601));
  color: var(--white, #fff); border-color: transparent; font-weight: bold;
}

/* --- 自定义表单控件（guestbookform 生成的结构） --- */
.eyou_form_attr { margin-bottom: 14px; }
.eyou_form_attr .eyou_form_text,
.eyou_form_attr .eyou_form_textarea { width: 100%; }
.contact-form .eyou_form_text, .contact-form .eyou_form_textarea { width: 100%; }
.eyou_form_attr { display: grid; grid-template-columns: 1fr; }
.contact-form--light .form-row-eyou { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* --- 文章/单页富文本中出现的表格 --- */
.article-content table { width: 100%; border-collapse: collapse; margin: 18px 0; background: var(--white, #fff); font-size: 14.5px; box-shadow: 0 4px 16px rgba(165,8,1,.06); border-radius: 10px; overflow: hidden; }
.article-content table th, .article-content table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid #f2ebdd; vertical-align: top; }
.article-content table th { background: var(--bg-warm, #f8f8f8); color: var(--red, #a50801); font-weight: bold; }

/* --- 富文本图片自适应 --- */
.pd-gallery img, .pd-prose img { max-width: 100%; height: auto; }
/* 文章详情正文插图：限制最大宽度并居中，避免原图过大撑满整行 */
.article-content img { max-width: 720px; height: auto; margin: 4px auto 18px; border-radius: 10px; }
.article-content section { overflow: hidden; }

/* --- 解决方案列表卡片（sol-card--list 在 grid-3 内的底图） --- */
.sol-card--list { min-height: 300px; }

/* --- banner 首帧无 active 时由 JS 初始化，兜底隐藏闪烁 --- */
.banner-slide { opacity: 0; transition: opacity .8s ease; }
.banner-slide.active { opacity: 1; }

/* ---------------- 专家简介（首页卡片下方）/ 专家介绍内页 ---------------- */
.expert-bio {
  margin-top: clamp(26px, 4vw, 44px);
}
.expert-bio-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.expert-bio-head h3 { font-size: 20px; color: var(--red); letter-spacing: 2px; padding-left: 13px; border-left: 4px solid var(--gold); }
.expert-bio-more { font-size: 13.5px; color: var(--gold); white-space: nowrap; }
.expert-bio-more:hover { color: var(--red); }
.expert-bio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.expert-bio-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white); border: 1px solid rgba(222,184,103,.45); border-radius: 14px;
  padding: 22px 24px; box-shadow: 0 8px 24px rgba(165,8,1,.06);
  transition: transform .4s ease, box-shadow .4s ease;
}
.expert-bio-item:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(165,8,1,.12); }
.expert-bio-ico {
  flex: 0 0 46px; width: 46px; height: 46px; border-radius: 13px;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 14px rgba(165,8,1,.25);
}
.expert-bio-ico svg { width: 22px; height: 22px; color: #fff; }
.expert-bio-body h4 { font-size: 15.5px; color: var(--text); }
.expert-bio-body p { margin-top: 7px; font-size: 13.5px; color: var(--text-gray); text-align: justify; line-height: 1.85; }
.expert-bio-body p + p { margin-top: 6px; }

.exp-profile-wrap { display: grid; grid-template-columns: minmax(300px, 420px) 1fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.exp-portrait { position: relative; }
.exp-portrait img { width: 100%; display: block; border-radius: 18px; box-shadow: 0 20px 48px rgba(165,8,1,.18); }
.exp-portrait-badge {
  position: absolute; left: 16px; bottom: 16px; background: rgba(165,8,1,.92); color: var(--white);
  font-size: 13px; letter-spacing: 1px; padding: 8px 16px; border-radius: 20px; box-shadow: 0 8px 20px rgba(0,0,0,.22);
}
.exp-roles { margin-top: 16px; font-size: 17px; font-weight: bold; color: var(--red); letter-spacing: 2px; }
.exp-degree { margin-top: 6px; font-size: 14px; color: var(--gold); letter-spacing: 1px; }
.exp-lead { margin-top: 18px; font-size: 15px; color: var(--text-gray); text-align: justify; line-height: 2; }
.exp-stats { margin-top: 30px; display: grid; grid-template-columns: repeat(4, 1fr); }
.exp-stats li { text-align: left; padding: 4px 20px; border-left: 1px solid rgba(165,8,1,.16); }
.exp-stats li:first-child { border-left: none; padding-left: 0; }
.exp-stats b { font-family: Georgia, serif; font-size: 36px; line-height: 1.1; color: var(--red); font-weight: bold; white-space: nowrap; }
.exp-stats b i { font-style: normal; font-size: 15px; margin-left: 3px; }
.exp-stats li > span { display: block; margin-top: 8px; font-size: 13px; color: var(--text-gray); letter-spacing: .5px; }

.exp-achv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 26px; }
.exp-achv-grid li { display: flex; align-items: baseline; gap: 14px; background: var(--bg-warm); border-left: 4px solid var(--red); border-radius: 0 10px 10px 0; padding: 15px 18px; font-size: 14.5px; }
.exp-achv-grid .expert-num { font-family: Georgia, serif; font-size: 15px; font-weight: bold; color: var(--gold); min-width: 26px; flex-shrink: 0; }
.exp-achv-grid p { color: var(--text); }

.exp-domain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
.exp-domain { background: var(--white); border-radius: 14px; padding: 28px 30px 24px; box-shadow: 0 10px 28px rgba(165,8,1,.08); border-top: 3px solid var(--gold); }
.exp-domain h3 { font-size: 17px; color: var(--red); padding-left: 12px; border-left: 4px solid var(--red); line-height: 1.4; }
.exp-domain p { margin-top: 12px; font-size: 14px; color: var(--text-gray); text-align: justify; line-height: 1.95; }

@media (max-width: 1080px) {
  .exp-profile-wrap { grid-template-columns: 1fr; }
  .exp-portrait { max-width: 460px; }
  .expert-bio-grid, .exp-achv-grid, .exp-domain-grid { grid-template-columns: 1fr; }
  .exp-stats { grid-template-columns: repeat(2, 1fr); gap: 18px 0; }
  .exp-stats li:nth-child(3) { border-left: none; padding-left: 0; }
}
@media (max-width: 560px) {
  .exp-stats { grid-template-columns: repeat(2, 1fr); }
}